feat: discover engine & manifests for platform adapters

pkg/platform/sources/officialaccount.yaml

@@ -0,0 +1,58 @@
+apiVersion: v1
+kind: MessagePlatformAdapter
+metadata:
+  name: officialaccount
+  label:
+    en_US: Official Account
+    zh_CN: 微信公众号
+  description:
+    en_US: Official Account Adapter
+    zh_CN: 微信公众号适配器
+spec:
+  config:
+    - name: token
+      label:
+        en_US: Token
+        zh_CN: 令牌
+      type: string
+      required: true
+      default: ""
+    - name: EncodingAESKey
+      label:
+        en_US: EncodingAESKey
+        zh_CN: 消息加解密密钥
+      type: string
+      required: true
+      default: ""
+    - name: AppID
+      label:
+        en_US: App ID
+        zh_CN: 应用ID
+      type: string
+      required: true
+      default: ""
+    - name: AppSecret
+      label:
+        en_US: App Secret
+        zh_CN: 应用密钥
+      type: string
+      required: true
+      default: ""
+    - name: host
+      label:
+        en_US: Host
+        zh_CN: 监听主机
+      type: string
+      required: true
+      default: 0.0.0.0
+    - name: port
+      label:
+        en_US: Port
+        zh_CN: 监听端口
+      type: int
+      required: true
+      default: 2287
+execution:
+  python:
+    path: ./officialaccount.py
+    attr: OfficialAccountAdapter